Chlorospingus flavopectus phaeocephalus Sclater & Salvin, 1877

Sánchez-Nivicela, Manuel, Avendaño, Jorge Enrique, Sánchez-Nivicela, Juan C., Torres, Ana, Fuchs, Jérôme, Bird, Bentley & Bonaccorso, Elisa, 2021, A taxonomic assessment of Chlorospingus flavopectus phaeocephalus and Chlorospingus semifuscus (Passeriformes: Passerellidae), including the description of a new subspecies, Zootaxa 5057 (2), pp. 151-180 : 163

Chlorospingus flavopectus phaeocephalus Sclater & Salvin, 1877

Plumage and iris coloration (n = 20; 13 males, 4 females, and 3 unsexed).—Throat color and pattern: whitish or buff cream color (C.54) with some spectrum yellow (C.55) barbules and some scattered glaucous (C.79) speckles. Chin and lower throat including malar region: hints of glaucous (C.79) n some individuals. Moustachial stripe: weak glaucous (C.79) in adult can be perceived depending on the view angle. Pectoral band: a fairly bright lemon chrome (b. 21) in center, with more olive-yellow (C.52) on the sides. Belly: whitish silvery, light olive-gray (d. 23) in some individuals. Iris coloration: silvery yellow. Some labels in Spanish refer to iris as “cream color,” meaning pale yellow.

Breeding. — Cadena et al. (2007) reported nests from 1 March to 5 June 2001, in the Cosanga area , near San Isidro Lodge, Napo Province. At San Isidro Lodge, MSN observed a juvenile accompanying its parents on 12 January 2019, a family group with two young on 17 June, and an adult collecting food (beetles and moths) on 17 August. On 16 February 2020, a juvenile was observed catching moths .

Distribution.—Montane evergreen forest and forest borders in the eastern slope of the Andes (Amazon basin), from the Colombian massif region in Putumayo ( Avendaño et al. 2013; Chavez-Paz et al. 2017; Felix & Coral-Jaramillo 2017), through the Ecuadorian east Andean slope—from north to south— entering the Cajamarca Department in far northeast Peru. Its altitudinal distribution in Ecuador is 1500–2700 m ( Freile & Restall 2018). A complementary taxonomic history review is given in Supplementary Material A9.